TABLE 2.
Hydrogen bonds (beyond the backbone) formed by residues of TMs
| Donor
|
Acceptor
|
||||
|---|---|---|---|---|---|
| Location | Residue | Group | Group | Residue | Distance (Å) |
| TM4-TM2 | Trp161 | NɛH | Nɛ | His79 | 3.28 |
| TM2-TM4 | Tyr76 | OH | O=C< | Glu153 | 3.52 |
| TM2-TM4 | Lys75 | NɛH | OH | Tyr157 | 2.68 |
| TM4-TM2 | Lys154 | NɛH | OH | Ser71 | 2.70 |
| TM2-TM2 | Met72 | NH | OH | Ser71 | 3.00 |
| TM4-TM4 | Thr168 | OH | O=C< | Ala164 | 2.76 |
| TM1-TM2 | Asn56 | NδH | Oδ1− | Asp84 | 2.70 |
| TM1-TM2 | Asn56 | NδH | O=C< | Leu80 | 2.74 |
| TM2-TM2 | Thr90 | OH | O=C< | Leu86 | 2.74 |
| TM5-TM5 | Gln202 | NɛH | NɛH | His203 | 3.18 |
| TM5-TM5 | Ser217 | OH | O=C< | Ile213 | 2.74 |
| TM5-TM5 | Ser224 | OH | O=C< | Cys220 | 2.74 |
| TM6-TM6 | Thr240 | OH | O=C< | Ala237 | 2.71 |
| TM7-TM6 | Thr287 | OH | Oδ1 | Asp262 | 2.66 |
| TM1-TM7 | Tyr45 | OH | Oɛ1 | Glu288 | 2.60 |
| TM7-TM3 | Tyr302 | OH | Oδ1 | Asp133 | 2.61 |
| TM3-TM3 | Arg134 | Nη1H | Oδ2 | Asp133 | 2.59 |
| TM3-TM3 | Arg134 | Nη2H | Oδ2 | Asp133 | 2.60 |
| TM3-TM7 | Arg134 | Nη1H | OH | Tyr302 | 2.61 |
| TM2-TM7 | Arg77 | NɛH | O=C< | Ala303 | 3.26 |
| TM2-TM7 | Arg77 | Nη1H | O=C< | Ala303 | 2.73 |
| TM2-TM2 | Arg77 | Nη2H | O=C< | Thr73 | 2.73 |
| TM2-TM7 | Thr73 | OH | O=C< | Gly306 | 2.84 |
| TM2-TM2 | Ser81 | OH | O=C< | Leu78 | 2.71 |
| TM3-TM3 | His113 | NδH | O=C< | His113 | 2.87 |
| TM3-TM3 | Ser122 | OH | O=C< | Asn119 | 2.71 |
| TM3-TM3 | Ser123 | OH | O=C< | Leu120 | 2.75 |
| TM3-TM3 | Ser131 | OH | O=C< | Ala128 | 2.73 |
| TM7-TM7 | His294 | Nɛ | O=C< | Leu290 | 2.78 |